# Cache Hit-Rate Measurement and Optimization: How to Go From 50% to 85%

> Source: https://sukruyusufkaya.com/en/learn/token-ekonomisi/cache-hit-rate-olcumu-optimizasyon
> Updated: 2026-05-14T14:44:14.020Z
> Category: Token Ekonomisi & LLM Cost Optimization
> Module: Module 7: Prompt Caching — The Single Biggest Cost Lever of 2026
**TLDR:** You enabled cache but hit-rate is stuck at 50%. This indicates a prompt architecture issue. This lesson covers hit-rate measurement dashboard, miss reason analysis, iterating with A/B tests, and patterns to reach 85%.